/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.huaweicloud.servicecomb.discovery;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

import org.springframework.boot.autoconfigure.condition.AllNestedConditions;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import com.huaweicloud.servicecomb.discovery.ConditionalOnServiceCombEnabled.OnServiceCombEnabledCondition;
import org.springframework.context.annotation.Conditional;

/**
 * @Author wangqijun
 * @Date 10:49 2019-07-08
 **/

@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.TYPE, ElementType.METHOD})
@Conditional(OnServiceCombEnabledCondition.class)
public @interface ConditionalOnServiceCombEnabled {


  class OnServiceCombEnabledCondition extends AllNestedConditions {

    OnServiceCombEnabledCondition() {
      super(ConfigurationPhase.REGISTER_BEAN);
    }

    @ConditionalOnProperty(value = "spring.cloud.servicecomb.discovery.enabled",
        matchIfMissing = true)
    static class FoundProperty {

    }

    @ConditionalOnClass(OnServiceCombEnabledCondition.class)
    static class FoundClass {

    }
  }
}
